72732920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139871}}^1$

素因数の和:139895

約数の個数: 32

約数和(自身を含む): 176238720

約数和(自身を除く): 103505800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 139871, 279742, 559484, 699355, 1118968, 1398710, 1818323, 2797420, 3636646, 5594840, 7273292, 9091615, 14546584, 18183230, 36366460, 72732920]

約数ペア:

[(1, 72732920), (2, 36366460), (4, 18183230), (5, 14546584), (8, 9091615), (10, 7273292), (13, 5594840), (20, 3636646), (26, 2797420), (40, 1818323), (52, 1398710), (65, 1118968), (104, 699355), (130, 559484), (260, 279742), (520, 139871)]